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41
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42Published 1941“...The Brookings Institution,...”
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48
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55
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56by Kaplan, A. D. H. (Abraham David Hannath), 1893-1974“...Brookings, Institution,...”
Published 1958
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57by Morley, Felix M. (Felix Muskett), 1894-1982“...The Brookings institution,...”
Published 1932
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60